Apparatus, system and method for identifying semiconductor memor

Details Apparatus, system and method for identifying semiconductor memor Apparatus, system and method for identifying semiconductor memor

1996-09-10

1998-09-22

Nelms, David C.

Static information storage and retrieval

Read/write circuit

Testing

3652257, 36523008, 3652385, G11C 700

Patent

active

058124705

ABSTRACT:
An apparatus, system and method for identifying an access mode of a semiconductor memory in a data processing system, characterized by significant reduction of the possibility of erroneous identification of the access mode. A semiconductor memory has an access circuit bank with plurality of selectable circuits only one of which is activated, each selectable circuit respectively associated with a selectable semiconductor memory access mode, the access mode selection typically being accomplished by selectively blowing fuses associated with the corresponding selectable circuits. A semiconductor memory access mode is correctly identified by associating, in response to a test signal for determining the fuse status, the respective activated selectable circuit with its corresponding access mode.

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